<template>
  <div class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container clearfix">
        <div class="loginList fl">
          <p>尚品汇欢迎您！</p>
          <!-- 没有用户名：未登录 -->
          <p v-if="!userName">
            <span>请</span>
            <!-- 声明式导航：router-link务必要有to属性 -->
            <router-link to="/login">登录</router-link>
            <router-link class="register" to="/register">免费注册</router-link>
          </p>
          <!-- 登录了 -->
          <p v-else>
            <a href="#">{{ userName }}</a>
            <a class="register" href="#" @click="logout">退出登录</a>
          </p>
        </div>
        <div class="typeList fr">
       <router-link to="/trade">我的交易</router-link>
          <router-link to="/shopcart">我的购物车</router-link>
 <router-link to="/center">个人中心</router-link>
        <router-link to="/pay">我的结算</router-link>
          <a href="###">关注尚品汇</a>
    
          <a href="###">商家后台</a>
        </div>
      </div>
    </div>
    <div class="bottom">
      <div class="container clearfix">
        <h1 class="logoArea fl">
          <router-link to="/" class="logo">
            <img src="./images/logo.png" alt="" />
          </router-link>
        </h1>
        <div class="searchArea fr">
          <form action="#" class="searchForm">
            <input type="text" class="input-error" v-model="keyword" />

            <button
              class="sui-btn btn-xlarge btn-danger"
              type="button"
              @click="goSearch"
            >
              搜索
            </button>
          </form>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapState, mapGetters } from "vuex";
export default {
  // eslint-disable-next-line vue/multi-word-component-names
  name: "Header",

  data() {
    return {
      keyword: "",
    };
  },

  mounted() {
    this.$bus.$on("clear", () => {
      this.keyword = "";
    });
  },

  methods: {
    goSearch() {
      let location = {
        name: "search",
        params: { keyword: this.keyword || undefined },
      };
      if (this.$route.query) {
        location.query = this.$route.query;
      }
      this.$router.push(location);
    },
    //退出登录
    async logout() {
      //退出登录需要做的事情
      //1:需要发请求，通知服务器退出登录【清除一些数据：token】
      //2:清除项目当中的数据【userInfo、token】
      try {
        //如果退出成功
        await this.$store.dispatch("user/userLogout");
        //回到首页
        this.$router.push("/home");
      } catch (error) {
        alert(error);
      }
    },
  },
  computed: {
    ...mapState("user", ["userInfo"]),
    ...mapGetters("user", ["userName"]),
  },
};
</script>

<style lang="scss" scoped>
.header {
  & > .top {
    background-color: #eaeaea;
    height: 30px;
    line-height: 30px;
    .loginList {
      p {
        float: left;
        margin-right: 10px;

        .register {
          border-left: 1px solid #b3aeae;
          padding: 0 5px;
          margin-left: 5px;
        }
      }
    }
    .typeList {
      a {
        padding: 0 10px;

        border-left: 1px solid #b3aeae;
      }
    }
  }
  .bottom {
    margin: 35px;
    .searchArea {
      .searchForm {
        overflow: hidden;

        input {
          box-sizing: border-box;
          width: 490px;
          height: 32px;
          padding: 0px 4px;
          border: 2px solid #ea4a36;
          float: left;

          &:focus {
            outline: none;
          }
        }

        button {
          height: 32px;
          width: 68px;
          background-color: #ea4a36;
          border: none;
          color: #fff;
          float: left;
          cursor: pointer;

          &:focus {
            outline: none;
          }
        }
      }
    }
  }
}
</style>
